Ahead of World Wetlands Day on 2nd February, four more wetlands in India have been recognized as Ramsar sites under the Ramsar Convention.
- Inclusion of new wetlands brings the total number of globally recognized wetlands in the country to 89.
- The newly designated sites are:
- Sakkarakottai Bird Sanctuary and Therthangal Bird Sanctuary in Tamil Nadu.
- Khecheopalri Wetland in Sikkim.
- Udhwa Lake in Jharkhand.
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Key figures about the Ramsar Sites
- Tamil Nadu now leads India with 20 Ramsar sites, the highest number in the country. Uttar Pradesh follows with 10 sites.
- Sikkim and Jharkhand have received their first Ramsar sites: Khecheopalri Wetland and Udhwa Lake, respectively.
- India ranks third globally with 89 Ramsar sites, after the United Kingdom (176) and Mexico (144). India also has the highest number of Ramsar sites in Asia.
- Over the last decade, India’s Ramsar sites have increased to 89, with 47 sites added in the last three years.
Criteria for Ramsar Site Designation
- Represents rare or unique natural wetland types.
- Supports endangered species or threatened ecological communities.
- Maintains biodiversity in specific biogeographic regions.
- Offers refuge during adverse conditions.
- Regularly accommodates 20,000 or more waterbirds.
- Sustains 1% of the population of a single waterbird species.
- Serves as a critical source of food, spawning grounds, nurseries, and migration paths for fish.
- Regularly supports 1% of the population of non-avian wetland-dependent animal species.
New Ramsar Sites
Khecheopalri Lake (Sikkim)
- Originally known as Kha-Chot-Palri, meaning “the heaven of Padmasambhava,” this lake is located near Khecheopalri village in West Sikkim.
- It is considered sacred by both Buddhists and Hindus and is believed to be a wish-fulfilling lake.
- The local name for the lake is Sho Dzo Sho, which means “Oh Lady, Sit Here.”
- The lake drains water from the Ramam watershed, named after the Ramam mountain.
Udhwa Lake Bird Sanctuary (Jharkhand)
- Located in the Sahibganj district of Jharkhand, this sanctuary is situated on the floodplain of the Ganga River.
- It consists of two interconnected water bodies, Patauda and Berhale, which are linked by a water channel.
- Recognized as an Important Bird Area (IBA), the sanctuary is significant for avian habitat conservation.
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Sakkarakottai Bird Sanctuary (Tamil Nadu)
- Located in the Ramanathapuram district of Tamil Nadu, this sanctuary is an irrigation tank that stores water for agriculture.
- The tank is recharged by the northeast monsoon from October to January.
- This sanctuary lies along the Central Asian Flyway, serving as a critical breeding and foraging ground for waterbirds such as the Spot billed Pelican, Egret, Common Myna, Grey Heron etc.
Therthangal Bird Sanctuary (Tamil Nadu)
- Therthangal Bird Sanctuary is located in Ramanathapuram district of Tamil Nadu.
- It serves as a critical breeding and foraging ground for various waterbird species such as the White -breasted Kingfisher, Spot- billed Pelican, Brahminy Kite etc.
What Are Wetlands?
According to the Ramsar Convention on Wetlands, wetlands are defined as:
- Areas of marsh, fen, peatland, or water, whether natural or artificial, permanent or temporary.
- They include areas with static or flowing water, fresh, brackish, or saltwater, including marine areas where the water depth at low tide does not exceed six meters.
- Wetlands are transitional zones between terrestrial (land) and aquatic (water) ecosystems.
Significance of Wetlands
- Source of Water: Wetlands absorb rainwater and help recharge groundwater.
- Flood and Storm Buffer: They act like sponges, absorbing rainfall and snowmelt, and allowing water to percolate gently into the soil, reducing the risk of floods.
- Water Purification: Wetlands trap contaminants in sediments and plants, reducing pollutants like phosphorus and nitrogen from agricultural runoff.
- Habitats for Migratory Birds: Wetlands provide feeding, resting, and nesting grounds for migratory birds.
- Biodiversity Hotspots: Many wetlands are home to a variety of endemic and endangered species. For example, Keibul Lamjao, a floating national park in Manipur, is the only natural habitat of the globally endangered Brow-antlered Deer.
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About the Ramsar Convention
- The Ramsar Convention is an international treaty focused on “the conservation and sustainable use of wetlands.”
- The treaty is named after the city of Ramsar in Iran, where it was signed on 2nd February 1971.
- February 2nd is celebrated every year as World Wetlands Day.
- The Ramsar Convention came into force in 1975.
- The convention has three main pillars:
- Work towards the wise use of all wetlands.
- Designate suitable wetlands for the List of Wetlands of International Importance (the Ramsar List) and ensure their effective management.
- Cooperate internationally on transboundary wetlands, shared wetland systems, and shared species.
Montreux Record
- The Montreux Record is a register of wetland sites on the Ramsar List where changes in ecological character have occurred, are occurring, or are likely to occur due to human interference, pollution, or technological developments.
- It serves as a tool to monitor and address threats to these important ecosystems.
- As of now, two Indian wetlands are listed in the Montreux Record:
- Keoladeo National Park, Rajasthan (Added in 1990): Located in Bharatpur, it is a UNESCO World Heritage Site.
- Loktak Lake, Manipur (Added in 1993): The largest freshwater lake in northeastern India, famous for Phumdis (floating vegetation).
- Chilika lake (Odisha) was placed in the record but was later removed from it.
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